Patent · US Active

High pressure discharge lamp

US8829793B2 · kind B2 · utility

0Cited by

5References

12Claims

0Family size

Assignee

OSRAM Gesellschaft mit beschraenkter Haftung · DE

Inventors

Michael Beau · Berlin, DE
Yan Li · Cambridge, US
Thomas Schroeder · Oettingen, DE

Key dates

Filing date	Jul 14, 2009
Grant date	Sep 9, 2014
Priority date	—
Expiry date	Jan 30, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01J61/827
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In various embodiments, a high pressure discharge lamp is provided. The high pressure discharge lamp may include a lamp axis, and a two-ended discharge vessel that surrounds a discharge volume, electrodes extending into the discharge volume enveloped by the discharge vessel, and a fill that includes metal halides being accommodated in the discharge volume, the discharge vessel being surrounded by an outer bulb with a base at one end and being held therein by a frame, wherein the frame comprises a short supply lead and a long supply lead, the long supply lead comprising two straight conductors with a winding part therebetween, the winding part executing at most 1.25 turns about the discharge vessel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.